how can i install an air/fuel ratio gauge in my 69 nova when it has no o2 sensor? I need to know how wet she gets:)
Jun 25, 2008 at 9:27 PM
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MMPRINCE4000
CAR REPAIR CONTRIBUTOR
8,548 POSTS
You can buy A/F gauges at most auto parts stores. They include an O2 sensor, which would be installed in the exhaust system. You would weld a bung in the pipe and screw in the O2 sensor.
You could also try a wideband O2 sensor which would give you more accurate A/F info, but they cost more.